ERCC3 p.Leu455=
c.1365C>T · VCV4762551
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00133%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -0.33 | GERP -4.5, phastCons 0.019 |
| Overall | ||
| CADD | 5.682 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00133%
African / African-American · 1/74,950 alleles
Filtering AF
7.9e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 5.4e-05%
Overall
0.00031%
5/1,614,042 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00133% | 74,950 |
| European (non-Finnish) | 0.000339% | 295,004 |
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- ERCC3
- Protein
- p.Leu455=
- Coding
- c.1365C>T
- MANE Select
- NM_000122
- Type
- single nucleotide variant
- Location
- chr2:127280609 (GRCh38)
- Gene constraint
- LOEUF 0.797 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 76.34 · 56 PDB
- Residue 455
- the helicase atp-binding domain; an α-helix
Similar variants
- ERCC3 c.1828-1G>C Likely pathogenic ★★ same type
- ERCC3 c.471+1G>A Pathogenic ★★ same type
- ERCC3 c.657+1G>A Likely pathogenic ★★ same type
- ERCC3 p.Arg109Ter Pathogenic/Likely pathogenic ★★ same type
- ERCC3 p.Arg195Ter Pathogenic ★★ same type
- ERCC3 p.Arg234Ter Pathogenic/Likely pathogenic ★★ same type
- ERCC3 p.Arg425Ter Pathogenic ★★ same type
- ERCC3 p.Arg452Ter Pathogenic/Likely pathogenic ★★ same type
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/ercc3-p-leu455 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown